blood pigment


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pigment

 [pig´ment]
1. any coloring matter of the body.
2. a stain or dyestuff.
3. a paintlike medicinal preparation applied to the skin. adj., adj pig´mentary.
bile pigment any of the coloring matters of the bile, derived from heme, including bilirubin, biliverdin, and several others.
blood pigment (hematogenous pigment) any of the pigments derived from hemoglobin, such as hematoidin, hematoporphyrin, hemofuscin, and methemoglobin.
lipid pigment any of various pigments having lipid characteristics, some of which also contain protein or iron, the most important one being lipofuscin.
respiratory p's substances, e.g., hemoglobin, myoglobin, or cytochromes, which take part in the oxidative processes of the animal body.
retinal p's the photopigments in retinal rods and cones that respond to certain colors of light and initiate the process of vision.

blood pigment

A nonspecific term for any pigmented substance in the peripheral circulation, widely understood to signify those proteins capable of acting as oxygen transporters—e.g., in humans, haemoglobin, respiratory pigments, hematogenous pigments, as well as biliary pigments.

blood pigment

A pigment in blood (hemoglobin) or a derivative of it (hematin, hemin, methemoglobin, hemosiderin).
See also: pigment
References in periodicals archive ?
Comparison of hemocyanin oxygen binding in cephalopods of different metabolic rates and from various latitudes should show how hemocyanin oxygen transport has adapted to different temperature regimes at various levels of metabolic activity and how blood pigment function contributes to the oxygen limitation of thermal tolerance.
Expanded porphyrin is a term we introduced into the literature in 1988 to describe larger homologues of natural blood pigments, such as the dyes (called heme) that make blood red.
The measurement of the blood pigments oxyhemoglobin, methemoglobin, and bilirubin in cerebrospinal fluid (CSF) has been useful in the differential diagnosis of various hemorrhaggc and traumatic disorders of the brain (1-9).
The cooling roll-on applicator refreshes the eye area delivering a mix of mineral pigments to cover your dark circles and Haloxyl to absorb coloured blood pigments, firm and tone.